Merge to XFA: Fix V8 array buffer allocator.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1118143003
diff --git a/DEPS b/DEPS
index 6f8417f..88e3a3c 100644
--- a/DEPS
+++ b/DEPS
@@ -12,7 +12,7 @@
      "https://chromium.googlesource.com/external/googletest.git@8245545b6dc9c4703e6496d1efd19e975ad2b038",
 
   "v8":
-    "https://chromium.googlesource.com/v8/v8.git@6988aec61f071a1caec96abae1cf39353a234455",
+    "https://chromium.googlesource.com/v8/v8.git",
 
   "v8/third_party/icu":
     "https://chromium.googlesource.com/chromium/deps/icu46",